# for
'''输出一个三行四列的矩阵'''
print('输出一个三行四列的矩阵')

for i in range(1, 4):
    for j in range(1, 5):
        print('*', end='\t')
    print()
print('循环强调缩进')

print('循环5次，只打印1-10的奇数或是偶数')
for i in range(1, 5):
    for j in range(1, 11):
        if j % 2 == 0:
            continue
        print(j, end='\t')
    print()


